.page-about {
  --about-gap: clamp(56px, 9vw, 112px);
  --about-line: rgba(255, 210, 90, .22);
  position: relative;
  overflow-x: clip;
}

.page-about .breadcrumbs {
  margin: 18px 0 0;
}

/* ---------- 首屏主题声明 ---------- */
.page-about .about-claim {
  position: relative;
  padding: clamp(34px, 7vw, 82px) 0 clamp(38px, 6vw, 68px);
  isolation: isolate;
}

.page-about .about-claim::before {
  content: "";
  position: absolute;
  inset: -18% -26% 4% -24%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 78% 10%, rgba(139, 92, 246, .34), transparent 60%),
    radial-gradient(circle at 4% 88%, rgba(45, 212, 191, .18), transparent 56%);
}

.page-about .about-claim::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 210, 90, .55), rgba(139, 92, 246, .35), transparent);
}

.page-about .about-claim__inner {
  max-width: 920px;
}

.page-about .about-claim__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(38px, 9.5vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--white);
  transform: skewX(-2deg);
  text-shadow: 0 0 36px rgba(255, 210, 90, .26);
  animation: about-breath 6s ease-in-out infinite;
}

@keyframes about-breath {
  0%, 100% { text-shadow: 0 0 30px rgba(255, 210, 90, .20); }
  50% { text-shadow: 0 0 48px rgba(255, 210, 90, .38); }
}

.page-about .about-claim__lead {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 2.3vw, 18px);
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-claim__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-claim__entry {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin {
  padding-top: var(--about-gap);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-about .about-origin__text h2,
.page-about .about-craft__head h2,
.page-about .about-epoch h2,
.page-about .about-capability__text h2,
.page-about .about-team__text h2,
.page-about .about-reach h2,
.page-about .about-eco__text h2,
.page-about .about-shelf h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 5.4vw, 36px);
  font-weight: 800;
  line-height: 1.22;
  margin: 10px 0 0;
  color: var(--white);
  transform: skewX(-1.5deg);
}

.page-about .about-origin__text p {
  margin: 16px 0 0;
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-origin__points {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-origin__points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(19, 28, 61, .92), rgba(14, 21, 48, .78));
  border: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-about .about-origin__points .mono {
  flex: none;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-about .about-origin__figure {
  transform: rotate(-1.6deg);
  border: 1px solid var(--about-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 手感方法论 ---------- */
.page-about .about-craft {
  padding-top: var(--about-gap);
}

.page-about .about-craft__head {
  max-width: 62ch;
}

.page-about .about-craft__intro {
  margin: 14px 0 0;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-craft__cards {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-about .about-craft__card {
  position: relative;
  padding: 24px 22px 26px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(19, 28, 61, .96), rgba(7, 11, 24, .9));
  transition: transform .34s ease, border-color .34s ease, box-shadow .34s ease;
}

.page-about .about-craft__card:nth-child(2) {
  transform: translateY(14px);
}

.page-about .about-craft__card:hover {
  transform: translateY(-6px);
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}

.page-about .about-craft__card .card__title {
  margin: 14px 0 10px;
  font-size: clamp(19px, 3.6vw, 22px);
}

.page-about .about-craft__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 发展年表 ---------- */
.page-about .about-epoch {
  position: relative;
  margin-top: var(--about-gap);
  padding: clamp(46px, 8vw, 96px) 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-about .about-epoch__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-about .about-epoch__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  max-width: 100%;
}

.page-about .about-epoch__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 24, .94), rgba(7, 11, 24, .78) 45%, rgba(7, 11, 24, .96));
}

.page-about .about-epoch__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-epoch__intro {
  margin: 14px 0 0;
  max-width: 58ch;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-epoch__list {
  position: relative;
  margin: clamp(28px, 5vw, 48px) 0 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-about .about-epoch__list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--violet), var(--jade));
  opacity: .7;
}

.page-about .about-epoch__item {
  position: relative;
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  background: rgba(14, 21, 48, .82);
  border: 1px solid var(--line-soft);
  backdrop-filter: blur(2px);
}

.page-about .about-epoch__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 26px;
  width: 12px;
  height: 12px;
  transform: rotate(45deg);
  background: var(--gold);
  box-shadow: 0 0 14px rgba(255, 210, 90, .65);
}

.page-about .about-epoch__no {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-soft);
}

.page-about .about-epoch__item h3 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-size: clamp(19px, 3.6vw, 22px);
  font-weight: 800;
  color: var(--white);
}

.page-about .about-epoch__item p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 服务能力矩阵 ---------- */
.page-about .about-capability {
  padding-top: var(--about-gap);
}

.page-about .about-capability__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-about .about-capability__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 22px;
  border-radius: var(--r-lg);
  background: radial-gradient(circle at 50% 30%, rgba(139, 92, 246, .22), rgba(7, 11, 24, .92) 68%);
  border: 1px solid var(--line-soft);
}

.page-about .about-radar {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.page-about .about-radar__grid {
  fill: none;
  stroke: rgba(154, 166, 199, .34);
  stroke-width: 1;
}

.page-about .about-radar__shape {
  fill: rgba(255, 210, 90, .16);
  stroke: var(--gold);
  stroke-width: 2;
}

.page-about .about-radar__dot {
  fill: var(--gold);
}

.page-about .about-capability__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-about .about-capability__legend li {
  padding: 5px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--line-soft);
}

.page-about .about-capability__text p {
  margin: 16px 0 0;
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-capability__tags {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .about-cap-tag {
  padding: 14px 18px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--violet);
  background: rgba(19, 28, 61, .72);
  transition: border-color .3s ease, background .3s ease;
}

.page-about .about-cap-tag:nth-child(2) { border-left-color: var(--gold); }
.page-about .about-cap-tag:nth-child(3) { border-left-color: var(--jade); }
.page-about .about-cap-tag:nth-child(4) { border-left-color: var(--pomegranate); }
.page-about .about-cap-tag:nth-child(5) { border-left-color: var(--violet); }

.page-about .about-cap-tag__name {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
}

.page-about .about-cap-tag__desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  transition: opacity .3s ease;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-top: var(--about-gap);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(28px, 5vw, 50px);
}

.page-about .about-team__text p {
  margin: 16px 0 0;
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-team__facts {
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-team__facts > div {
  padding: 16px 14px;
  border-radius: var(--r-md);
  background: rgba(14, 21, 48, .9);
  border: 1px solid var(--line-soft);
  text-align: center;
}

.page-about .about-team__facts dt {
  font-size: 13px;
  color: var(--muted);
}

.page-about .about-team__facts dd {
  margin: 8px 0 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
}

.page-about .about-team__figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  transform: rotate(1.2deg);
}

/* ---------- 服务范围 ---------- */
.page-about .about-reach {
  padding-top: var(--about-gap);
}

.page-about .about-reach__grid {
  margin-top: clamp(24px, 4vw, 38px);
  align-items: start;
}

.page-about .about-reach__panel {
  padding: 24px 22px 26px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(19, 28, 61, .92), rgba(7, 11, 24, .9));
}

.page-about .about-reach__panel--legal {
  border-color: rgba(224, 69, 90, .38);
}

.page-about .about-reach__sub {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(18px, 3.4vw, 21px);
  font-weight: 800;
  color: var(--white);
}

.page-about .about-reach__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-reach__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 210, 90, .4);
}

.page-about .about-reach__link:hover {
  color: var(--gold-soft);
}

.page-about .about-reach__contact {
  margin-top: 18px;
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco {
  padding-top: var(--about-gap);
}

.page-about .about-eco__grid {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
  align-items: center;
}

.page-about .about-eco__visual {
  display: flex;
  justify-content: center;
  padding: 22px;
  border-radius: var(--r-lg);
  background: radial-gradient(circle at 50% 50%, rgba(45, 212, 191, .16), rgba(7, 11, 24, .94) 66%);
  border: 1px solid var(--line-soft);
}

.page-about .about-ring {
  width: 100%;
  max-width: 320px;
  height: auto;
}

.page-about .about-ring__orbit {
  fill: none;
  stroke: rgba(154, 166, 199, .3);
  stroke-width: 1.4;
  stroke-dasharray: 5 7;
}

.page-about .about-ring__orbit--inner {
  stroke: rgba(255, 210, 90, .38);
  stroke-dasharray: none;
}

.page-about .about-ring__spoke {
  stroke: rgba(255, 210, 90, .34);
  stroke-width: 1.2;
}

.page-about .about-ring__core {
  fill: rgba(255, 210, 90, .18);
  stroke: var(--gold);
  stroke-width: 2;
}

.page-about .about-ring__node {
  fill: var(--gold);
}

.page-about .about-ring__node--jade { fill: var(--jade); }
.page-about .about-ring__node--violet { fill: var(--violet); }

.page-about .about-eco__text p {
  margin: 16px 0 0;
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-eco__stats {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-eco__stat {
  padding: 16px 14px;
  border-radius: var(--r-md);
  background: rgba(14, 21, 48, .88);
  border: 1px solid var(--line-soft);
}

.page-about .about-eco__num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}

.page-about .about-eco__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 沉淀与下一步 ---------- */
.page-about .about-shelf {
  padding-top: var(--about-gap);
  padding-bottom: clamp(52px, 8vw, 96px);
}

.page-about .about-shelf__grid {
  margin-top: clamp(24px, 4vw, 38px);
}

.page-about .about-shelf__card {
  padding: 22px 20px 24px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(19, 28, 61, .94), rgba(7, 11, 24, .92));
}

.page-about .about-shelf__num {
  display: block;
  font-size: 30px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}

.page-about .about-shelf__card .card__title {
  margin: 10px 0 10px;
  font-size: clamp(18px, 3.4vw, 21px);
}

.page-about .about-shelf__card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-shelf__link {
  font-size: 14px;
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 191, .38);
}

.page-about .about-shelf__link:hover {
  color: var(--white);
}

.page-about .about-next {
  margin-top: clamp(32px, 5vw, 52px);
  padding: clamp(24px, 4vw, 36px);
  border-radius: var(--r-lg);
  background:
    linear-gradient(120deg, rgba(255, 210, 90, .14), rgba(139, 92, 246, .16)),
    rgba(14, 21, 48, .94);
  border: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.page-about .about-next__text {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-about .about-cap-tag__desc {
    opacity: .55;
  }

  .page-about .about-cap-tag:hover,
  .page-about .about-cap-tag:focus-visible {
    border-color: var(--line);
    background: rgba(19, 28, 61, .96);
  }

  .page-about .about-cap-tag:hover .about-cap-tag__desc,
  .page-about .about-cap-tag:focus-visible .about-cap-tag__desc {
    opacity: 1;
  }

  .page-about .about-eco__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-epoch__list {
    padding-left: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .about-epoch__list::before {
    display: none;
  }

  .page-about .about-epoch__item::before {
    left: 22px;
    top: -7px;
    width: 13px;
    height: 13px;
  }

  .page-about .about-epoch__item {
    padding-top: 26px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-about .about-origin__figure {
    margin-top: 12px;
  }

  .page-about .about-epoch__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-capability__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }

  .page-about .about-capability__tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-cap-tag:nth-child(5) {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-claim__title {
    animation: none;
  }

  .page-about .about-craft__card,
  .page-about .about-origin__figure,
  .page-about .about-team__figure {
    transition: none;
  }
}